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#include <WiFi.h>
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#include <WiFiClientSecure.h>
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#include <UniversalTelegramBot.h>
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#include <ArduinoJson.h>
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#include <DHT.h>
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#include <ESP32Servo.h>
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#include <NTPClient.h>
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#include <WiFiUdp.h>
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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#include <WiFiManager.h>
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// ========== Konfigurasi ==========
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#define BOTtoken "7612422633:AAH898XXBYw1Ys0gMFrjoDXuq32EVZjw_c8"
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#define DHTPIN 4
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#define DHTTYPE DHT11
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#define SERVO_PIN 15
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// ========== Inisialisasi ==========
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WiFiClientSecure client;
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UniversalTelegramBot bot(BOTtoken, client);
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DHT dht(DHTPIN, DHTTYPE);
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Servo servo;
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LiquidCrystal_I2C lcd(0x27, 16, 2);
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WiFiUDP ntpUDP;
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NTPClient timeClient(ntpUDP, "pool.ntp.org", 25200); // GMT+7
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// ========== Variabel ==========
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String scheduledTime = ""; // Format "HH:mm"
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bool autoSend = false;
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unsigned long lastTime = 0;
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unsigned long timerDelay = 2000;
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bool sudahBeriHariIni = false;
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int lastDay = -1;
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String lastChatId = "";
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// ========== Setup ==========
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void setup() {
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Serial.begin(115200);
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lcd.init();
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lcd.backlight();
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lcd.setCursor(0, 0);
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lcd.print("Smart Feeder");
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lcd.setCursor(0, 1);
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lcd.print("Loading WiFi...");
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dht.begin();
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servo.attach(SERVO_PIN);
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servo.write(0); // Pastikan tertutup
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delay(500);
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WiFiManager wifiManager;
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wifiManager.autoConnect("SmartFeederAP");
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("WiFi Connected");
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lcd.setCursor(0, 1);
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lcd.print(WiFi.localIP().toString());
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client.setCACert(TELEGRAM_CERTIFICATE_ROOT);
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timeClient.begin();
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delay(2000);
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lcd.clear();
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}
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// ========== Loop ==========
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void loop() {
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timeClient.update();
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String currentTime = timeClient.getFormattedTime().substring(0, 5);
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int currentDay = timeClient.getDay();
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if (scheduledTime != "" && currentTime == scheduledTime && !sudahBeriHariIni) {
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Serial.println("⏰ Saatnya memberi pakan otomatis!");
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bukaPakanOtomatis();
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sudahBeriHariIni = true;
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lastDay = currentDay;
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}
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if (currentDay != lastDay) sudahBeriHariIni = false;
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if (autoSend && (millis() - lastTime > timerDelay)) {
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kirimDataDHT(lastChatId);
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lastTime = millis();
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}
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updateLCD();
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int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
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while (numNewMessages) {
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handleNewMessages(numNewMessages);
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numNewMessages = bot.getUpdates(bot.last_message_received + 1);
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}
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}
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// ========== LCD ==========
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void updateLCD() {
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float h = dht.readHumidity();
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float t = dht.readTemperature();
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lcd.clear();
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if (isnan(h) || isnan(t)) {
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lcd.setCursor(0, 0);
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lcd.print("Sensor error!");
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} else {
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lcd.setCursor(0, 0);
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lcd.print("T:");
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lcd.print(t, 1);
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lcd.print("C H:");
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lcd.print(h, 0);
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lcd.print("%");
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}
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lcd.setCursor(0, 1);
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if (scheduledTime == "") {
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lcd.print("Jadwal: - ");
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} else {
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lcd.print("Jadwal:");
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lcd.print(scheduledTime);
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}
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}
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// ========== Handle Pesan ==========
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void handleNewMessages(int numNewMessages) {
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for (int i = 0; i < numNewMessages; i++) {
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String chat_id = bot.messages[i].chat_id;
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String text = bot.messages[i].text;
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lastChatId = chat_id;
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if (text == "/start") {
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String msg =
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"👋 Hai! Selamat datang di Smart Feeder 🐣\n\n"
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"📌 Perintah:\n"
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"📊 /status — Cek suhu & kelembaban\n"
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"📡 /mulai — Aktifkan monitoring\n"
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"🛑 /berhenti — Stop monitoring\n"
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"🍽 /bukapakan — Buka pakan\n"
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"🔒 /tutuppakan — Tutup pakan\n"
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"⏰ /setjadwal HH:mm — Atur jadwal\n"
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"📆 /jadwal — Cek jadwal\n"
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"🗑 /hapusjadwal — Hapus jadwal";
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bot.sendMessage(chat_id, msg, "Markdown");
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}
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else if (text == "/status") {
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kirimDataDHT(chat_id);
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}
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else if (text == "/mulai") {
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autoSend = true;
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bot.sendMessage(chat_id, "✅ Monitoring otomatis aktif.", "Markdown");
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}
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else if (text == "/berhenti") {
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autoSend = false;
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bot.sendMessage(chat_id, "🛑 Monitoring otomatis berhenti.", "Markdown");
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}
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else if (text == "/bukapakan") {
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bukaPakan();
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bot.sendMessage(chat_id, "🍽 Pakan diberikan.", "Markdown");
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}
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else if (text == "/tutuppakan") {
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servo.write(0);
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bot.sendMessage(chat_id, "🔒 Pakan ditutup.", "Markdown");
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}
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else if (text.startsWith("/setjadwal ")) {
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String jam = text.substring(11);
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if (jam.length() == 5 && jam.charAt(2) == ':') {
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scheduledTime = jam;
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bot.sendMessage(chat_id, "⏰ Jadwal diatur ke " + jam + "", "Markdown");
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} else {
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bot.sendMessage(chat_id, "⚠ Format salah. Gunakan /setjadwal HH:mm", "Markdown");
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}
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}
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else if (text == "/jadwal") {
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if (scheduledTime != "") {
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bot.sendMessage(chat_id, "📆 Jadwal aktif: " + scheduledTime + "", "Markdown");
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} else {
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bot.sendMessage(chat_id, "⚠ Jadwal belum diatur.", "Markdown");
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}
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}
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else if (text == "/hapusjadwal") {
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scheduledTime = "";
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bot.sendMessage(chat_id, "🗑 Jadwal dihapus.", "Markdown");
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}
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else {
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bot.sendMessage(chat_id, "❓ Perintah tidak dikenali. Gunakan /start.", "Markdown");
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}
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}
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}
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// ========== Fungsi Servo ==========
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void bukaPakan() {
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Serial.println("🔓 Membuka pakan...");
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servo.write(90); // Buka
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delay(5000); // Tunggu 5 detik
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servo.write(0); // Tutup kembali
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Serial.println("🔒 Pakan ditutup.");
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}
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void bukaPakanOtomatis() {
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bukaPakan();
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if (lastChatId != "") {
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bot.sendMessage(lastChatId, "🍽 Pakan otomatis diberikan pada " + scheduledTime, "Markdown");
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}
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}
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void kirimDataDHT(String chat_id) {
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float h = dht.readHumidity();
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float t = dht.readTemperature();
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if (isnan(h) || isnan(t)) return;
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String msg = "📊 Data Sensor:\n"
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"🌡 Suhu: " + String(t) + "°C\n"
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"💧 Kelembaban: " + String(h) + "%";
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bot.sendMessage(chat_id, msg, "Markdown");
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}
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